GL context
Array of 6 texture URLs, in order: +x, -x, +y, -y, +z, -z
Render the environment map as a background, like a skybox
Render this envmap as a cube around the given camera & matrices This is used for rendering the envmap as a background and skybox around the scene
View matrix
Projection matrix
Camera
Create a new environment map with 6 textures for each side